1056028561028 has 48 divisors (see below), whose sum is σ = 2152493650944. Its totient is φ = 444000834720.

The previous prime is 1056028560991. The next prime is 1056028561037. The reversal of 1056028561028 is 8201658206501.

It is a super-2 number, since 2×1056028561028² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1056028561028.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1402478 + ... + 2019653.

It is an arithmetic number, because the mean of its divisors is an integer number (44843617728).

Almost surely, 2^{1056028561028} is an apocalyptic number.

It is an amenable number.

1056028561028 is an abundant number, since it is smaller than the sum of its proper divisors (1096465089916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1056028561028 is a wasteful number, since it uses less digits than its factorization.

1056028561028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422352 (or 3422350 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

The spelling of 1056028561028 in words is "one trillion, fifty-six billion, twenty-eight million, five hundred sixty-one thousand, twenty-eight".